Melosira ignota Rubina 1962

Publication Details
Melosira ignota Rubina 1962: 106, fig. 2

Type Species
The type species (holotype) of the genus Melosira is Melosira nummuloides C.Agardh.

Status of Name
This name is currently regarded as a synonym of Pseudoaulacosira ignota (Rubina) Oreshkina.

Source of Synonymy
Oreshkina, T. (2018). Transfer of extant non-marine diatom Melosira ignota Rubina from Late Oligocene of West Siberia to the genus Pseudoaulacosira Lupikina et Khursevich. Nova Hedwigia, Beihefte 147: 183-191, 3 pl.

Type Information
Type locality: Borehole Zyryanskaya-1, Tyumen Region, West Siberia, Russian Federation (Turtas Formation, Upper Oligocene); (Oreshkina 2018: 189) Lectotype: Geol. Inst. Russian Acad. Sci., Moscow; slide no. 4596/5 (sample no. 13m_borehole Zyryanskaya-1) (Oreshkina 2018: 189) Notes: Isotypes: Pl. 1b, figs 3, 4, slide no. 4596/5 in Geol. Inst. Russian Acad. Sci., Moscow. [Holotype: slide 2M/303, Tyumen Integrated Geological Survey (INA; Oreshkina 2018: 185)].

Fossil
Described as a fossil.

Origin of Species Name
Adjective (Latin), unknown hitherto (Stearn 1992).

Description
Emended description (Oreshkina, 2018: 189). Also ( fide Oreshkina, 2018: 185) in Moisseeva (1992, pl. 66, figs 7-12) illustrated by Rubina's original SEM materials (p. 88, pl. 66, figs 6-12)

Created: 13 March 2006 by M.D. Guiry.

Last updated: 09 January 2023

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Linking to this page: https://www.algaebase.org/search/species/detail/?species_id=97490

Citing AlgaeBase
Cite this record as:
G.M. Guiry in Guiry, M.D. & Guiry, G.M. 09 January 2023. AlgaeBase. World-wide electronic publication, National University of Ireland, Galway. https://www.algaebase.org; searched on 17 July 2025